MS-DOS (short for Microsoft Disk Operating System) was a popular operating system that Microsoft developed for personal computers in the 1980s. It was the first operating system widely used on personal computers and played a significant role in developing the personal computer industry.
Microsoft is a technology company founded on April 4, 1975, by Bill Gates and Paul Allen. The company started as a small business focused on developing and selling software for personal computers. It has since grown into one of the largest technology companies in the world.